Heat 1 tbsp olive oil in a skillet over high heat until shimmering.
Cook shishito peppers 3 to 5 minutes, tossing, until blistered and charred. Remove and season with salt.
Reduce heat to medium, add remaining oil, and cook sausage 8 to 10 minutes until browned and cooked through.
Add garlic and ras el hanout in the last minute, stirring to bloom the spices.
Return peppers to the pan and warm through 1 to 2 minutes.
Remove from heat and squeeze lemon juice over, tossing to combine.
Garnish with mint or cilantro and serve with lemon wedges.